diff options
author | Vito Caputo <vcaputo@gnugeneration.com> | 2016-12-13 08:20:24 -0800 |
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committer | GitHub <noreply@github.com> | 2016-12-13 08:20:24 -0800 |
commit | 2e292bd40f67e6e2612ad93fd77cdcd3449e4892 (patch) | |
tree | 4600607eb8c12af034b2bf29eec4f8207f9413c4 /modules/ray/ray_color.h | |
parent | 3ea61db55a9c21f7621f8a64d91153cb1955b2ff (diff) | |
parent | 173cac2fe990496fca2403aa3a4bfcbd6007e7e6 (diff) |
Merge pull request #2 from vcaputo/moar
More candy
Diffstat (limited to 'modules/ray/ray_color.h')
-rw-r--r-- | modules/ray/ray_color.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/modules/ray/ray_color.h b/modules/ray/ray_color.h new file mode 100644 index 0000000..9fe62c1 --- /dev/null +++ b/modules/ray/ray_color.h @@ -0,0 +1,29 @@ +#ifndef _RAY_COLOR_H +#define _RAY_COLOR_H + +#include <stdint.h> + +#include "ray_3f.h" + +typedef ray_3f_t ray_color_t; + +/* convert a vector into a packed, 32-bit rgb pixel value */ +static inline uint32_t ray_color_to_uint32_rgb(ray_color_t color) { + uint32_t pixel; + + /* doing this all per-pixel, ugh. */ + + if (color.x > 1.0f) color.x = 1.0f; + if (color.y > 1.0f) color.y = 1.0f; + if (color.z > 1.0f) color.z = 1.0f; + + pixel = (uint32_t)(color.x * 255.0f); + pixel <<= 8; + pixel |= (uint32_t)(color.y * 255.0f); + pixel <<= 8; + pixel |= (uint32_t)(color.z * 255.0f); + + return pixel; +} + +#endif |